Carriage adjustable back



C. A.- LINDBERG.

-CARRIAGE ADJUSTABLE BACK.

APPLICATION HLED APR. 16. 1921.

1,387,5199. Pamnwd Aug. 16,1921.

IN VEN TOR.

O/rar/es C Llhdberf A TTORNEYS.

lggf w 9t .UNITED STATES PATENT. or'rlcn CHARLES A. 'LINDBERG, or"streams, MICHIGAN, AssIGNon T s'rtrRGIs STEEL GO- CART 00., 0F STURGIS,MICHIGAN.

CARRIAGE ADJUSTABLE BACK.

I Specification of letterslatent. Patented Afig.-16l, 1921.

7 Application filed April 16, 1921. Serial No. 461,817.

illustrated my improvements'in the accompanying drawing as I haveembodied them in practice in such structures. i V

The main object of this invention is to provide an improved adjustableback for seats of childrens carriages and the like which may be quicklyand easily adjusted, and is simply and economically produced, being verystrong and durable. I

Further objects, and objects relating to structural details, willdefinitely appear from the detailed description to follow.

I accomplish ,the objects of my invention by the devices and meansdescribed in the following specification. The invention isclearly'defined and pointed out in the claim.

A structure which is the preferred embodiment of-my invention is clearlyillustrated in the accompanying drawing forming a part of thisspecification, in which: V

Figure I is a detail side elevation of a seat for childrens carriages,embodying the features of my invention, only such portions of a carriagebeing shown as are deemed nec: essary to illustrate an embodiment of myimprovements. I

Fig. 'II is a vertical transverse section through the seat on a linecorresponding to 2-2 of Fig. being omitted.

Fig. III is an enlarged detail viewpartially in section on a linecorresponding to line 3-43 of Fig. II. I 0

Fig. IV is a plan View of the blank from which theslotted arm of theback is formed.

In the drawlng similar reference charactersrefer to similar partsthroughout the 1 several views, and the sectional views are takenlookingin the direction of the'little arrows at the ends of the section lines.

Referring to the drawing, 1 represents the seat, and 2 the back of achilds carriage.

I effected.

I, the covering for the back The back is provided with a cross bar 3disposedabout midway thereof. On the rear side of this bar I mount anarm 4 having a slot 5 therein. On the under side of the seat, I mount abracket 6 so that its rear end vprojects rearwardly of the seat.

The back supporting arm 7. is pivoted on this bracket 6 at 8, the armbeing arranged through the slot 5 in the arm 4.- and provided withupwardly facing tooth-like notches 9.

adapted to engage the arm, thereby adjustably supporting the back.

The upper end of the supporting arm 7 is bent rearwardly and twisted to"provide a grip 10. A blade spring 11 is mounted on the cross bar 3 toproject downwardly and rearw'ardly, and notched at 12 to receive thatthe supporting arm 7 is adj ustably held in engagement with the arm. 4:.

The structure is strong and durable and adjusted Having thus describedmy invention, what I claim as new and desire to secure by Letters Patentis: I

the front edge of thesupporting arm 7, so

at the same time quite economicalto produce, I

and While the parts are securely held in their positions, the adjustmentis easily In a structureof the class described, the

combination of a seat,- .a back pivotally mounted on said seat, arearwardly projecting slotted arm on said back, i a bracket mounted onthe under side of saidseat projecting rearwardly therefrom, a back sup-1 porting arm pivotally mounted on said bracket and projecting upwardlyat the rear of the said back and through said slotted arm thereon, saidsupporting arm being pro vided with a rearwardlydirected grip portion atits upper end, and with a series of upwardly facing tooth-like notcheson its rearedge engaging said arm on said back, and a blade springmounted on said back and notched at'its lower end to engage saidsupporting arm whereby said notches thereof are held in engagementwithsaid arm on said back.

, CHARLES A. LINDB Gi [L.S.]

Witness: 7

GEO. C. BROWN.

In witness whereof, I have hereunto set

